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قراءة كتاب Scientific American Supplement, No. 315, January 14, 1882

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‏اللغة: English
Scientific American Supplement, No. 315, January 14, 1882

Scientific American Supplement, No. 315, January 14, 1882

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دار النشر: Project Gutenberg
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SCIENTIFIC AMERICAN SUPPLEMENT NO. 315

NEW YORK, JANUARY 14, 1882

Scientific American Supplement. Vol. XIII., No. 315.

Scientific American established 1845

Scientific American Supplement, $5 a year.

Scientific American and Supplement, $7 a year.

TABLE OF CONTENTS.
  PAGE.
I. ENGINEERING AND MECHANICS.—Watchman's Detecter. 5023
Integrating Apparatus. 5023
A Canal Boat Propelled by Air. 5023
Head Linings of Passenger Cars. 5023
Improved Mortar Mixer. 2 figures. 5023
Practical Notes on Plumbing. By J.P. Davies. Figs. 37 to 53. Tinning iron pipes, copper or brass work, bits, etc.—Spirit brush.—Soldering iron to lead.— Dummies for pipe bending.—Bends and set-offs.— Bending with water.—Sand bending.—Bending with balls or bobbins.—Three-ball or lead driving ball and double ball bending.—Bending with windlass and brass ball.—Hydraulic or cup leather and ball bending.—Bending by splitting, or split made bends. —Pulling up bends.—Set-offs.—Bad bends.—Bad falls in bends.—Bends made into traps or retarders. —Bends made with the "snarling dummy." 5024
The Grossenhain Shuttle Driver. 1 figure. 5025
II. ELECTRICITY, MAGNETISM, ETC.—The Electro-Magnetic Apparatus of Dr. Pacinotti. 8 figures. The Pacinotti electro-magnetic machine of 1860.—The Elias electro-motor of 1842. 5015
The Elias Electro-Motor. 5016
Bjerknes's Experiments. 7 figures. 5016
The Arc Electric Light. By Leo Daft. 5018
Hedges' Electric Lamps. 4 figures. 5019
Electric Railway Apparatus at the Paris Electrical Exhibition. 17 figures. Lartigue's switch controller, elevation and sections.—Position of commutators during the maneuver.—Pedal for sending warning to railway crossing, with elevation and end and plan views.—Electric Alarm.—Lartigue's bellows pedal, with plan and sections.—Brunot's Controller. —Guggemos' correspondence apparatus.—Annunciator apparatus.—Lartigue's controller for water tanks.— Vérité controller for water tanks. 5019
The Telephonic Halls of the Electrical Exhibition. 1 figure. 5022
The Action of Cold on the Voltaic Arc. 5022
III. TECHNOLOGY AND CHEMISTRY.—Industrial Art for Women. 5026
Photography upon Canvas. 1 figure. 5026
Detection of Starch Sugar Sirup Mixed with Sugar House Molasses. 5026
False Vermilion. 5026
The Position of Manganese in Modern Industry.—By M.V. Deshaeys. Ferro-manganese.—Cupro-manganese.— Manganese bronzes.—Metallic manganese.—Manganese German silver.—Phosphorus bronze. 5027
The Economical Washing of Coal Gas and Smoke.—M. Chevalet's method. 5027
Determination of Nitrogen in Hair, Wool, Dried Blood, Flesh Meal, and Leather Scraps. By Dr. C. Krauch. 5028
Testing White Beeswax for Ceresine and Paraffine. By A. Peltz. 5028
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